To dump mir database <dbname>:
	pg_dumplo -a -d <dbname> -s /dumpdir/dir
	pg_dump -c -D -f /dumpdir/<dbname>.sql <dbname>
this generates a dir with all blobs and a sql-file with all data.

To restore the database:
	psql <dbname> < <dbname>.sql
	pgdump_lo -i -d <dbname> -s /dumpdir/dir